<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<form action="">
			<input type="text" name="username" value="默认值" disabled="disabled">
			<input type="button" value="按钮上的文字"/><br>
			<input type="text" name="" placeholder="请输入用户名" readonly="readonly"><br>
			性别:<input type="radio" value="男" name="gender" />男
			<input type="radio" value="女" name="gender" checked="checked"/>女
			<br>
			<input type="checkbox" name="food" value="1"/>1
			<input type="checkbox" name="food" value="2"/>2
			<input type="checkbox" name="food" value="3"/>3
			<input type="checkbox" name="food" value="4"/>4
			<input type="submit" value="提交">
		</form>
	</body>
</html>
